diff --git a/auto-sync-cron.log b/auto-sync-cron.log
index 75dda78e..9f747dd3 100644
--- a/auto-sync-cron.log
+++ b/auto-sync-cron.log
@@ -69025,3 +69025,4 @@ fatal: refusing to merge unrelated histories
 /bin/sh: ./management/sanguo_auto_sync/auto-sync.sh: No such file or directory
 /bin/sh: ./management/sanguo_auto_sync/auto-sync.sh: No such file or directory
 /bin/sh: ./management/sanguo_auto_sync/auto-sync.sh: No such file or directory
+/bin/sh: ./management/sanguo_auto_sync/auto-sync.sh: No such file or directory
diff --git a/logs/auto-sync.log b/logs/auto-sync.log
index 33b630ae..28d08001 100644
--- a/logs/auto-sync.log
+++ b/logs/auto-sync.log
@@ -5449,5 +5449,6 @@
 
 
 
+
 
 
diff --git a/scripts/backtest-service/result_storage.py b/scripts/backtest-service/result_storage.py
index 5c56b3a7..51263727 100755
--- a/scripts/backtest-service/result_storage.py
+++ b/scripts/backtest-service/result_storage.py
@@ -3,11 +3,19 @@
 """
 import json
 import os
+from datetime import date, datetime
 from typing import Optional
 from .models import BacktestTaskWithId, BacktestResult
 from .config import settings
 
 
+def _json_serial(obj):
+    """JSON序列化辅助：处理date/datetime"""
+    if isinstance(obj, (date, datetime)):
+        return obj.isoformat()
+    raise TypeError(f"Object of type {type(obj)} is not JSON serializable")
+
+
 class ResultStorage:
     """结果存储管理器"""